Follow these steps to set up two-factor authentication (2FA) for your accounts:

1. Enable two-factor authentication in the security settings: Check to see if your accounts have two factor authentication (2FA) available, and if so, turn it on.
2. Set up 2FA: Follow the instructions provided by the service to set up 2FA.
3. Store your 2FA recovery codes: Store your 2FA recovery codes in a secure password manager.
4. Create back-up codes: Check the security setting to see if you can create back-up codes in the event that you lose your device.
5. Check for other authentication methods: Check if the service offers additional authentication methods, such as using a USB security key.